Express: Update mongoose to latest (#344)

Author: hamishwillee

bin/www

@@ -19,7 +19,6 @@ app.set("port", port);
  * Set up mongoose connection
  */
 const mongoose = require("mongoose");
-mongoose.set("strictQuery", false);
 const dev_db_url =
   "mongodb+srv://cooluser:coolpassword@cluster0.cojoign.mongodb.net/local_library?retryWrites=true&w=majority&appName=Cluster0";
 const mongoDB = process.env.MONGODB_URI || dev_db_url;
@@ -33,6 +32,15 @@ try {
 
 async function connectMongoose() {
   await mongoose.connect(mongoDB);
+  
+  // Add connection error handlers
+  mongoose.connection.on('error', err => {
+    console.error('MongoDB connection error:', err);
+  });
+  
+  mongoose.connection.on('disconnected', () => {
+    console.warn('MongoDB disconnected');
+  });
 }
 
 /**

package-lock.json

@@ -21,7 +21,7 @@
     "helmet": "^8.1.0",
     "http-errors": "^2.0.0",
     "luxon": "^3.6.1",
-    "mongoose": "^8.16.2",
+    "mongoose": "^9.2.1",
     "morgan": "^1.10.0",
     "pug": "^3.0.3"
   },

package.json

@@ -18,7 +18,6 @@ const books = [];
 const bookinstances = [];
 
 const mongoose = require("mongoose");
-mongoose.set("strictQuery", false);
 
 const mongoDB = userArgs[0];
 
@@ -33,7 +32,7 @@ async function main() {
   await createBooks();
   await createBookInstances();
   console.log("Debug: Closing mongoose");
-  mongoose.connection.close();
+  await mongoose.connection.close();
 }
 
 // We pass the index to the ...Create functions so that, for example,

populatedb.js

@@ -8,7 +8,6 @@ let mongoServer;
 async function connect() {
   mongoServer = await MongoMemoryServer.create();
   const uri = mongoServer.getUri();
-  mongoose.set("strictQuery", false);
   await mongoose.connect(uri);
 }